18496359

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4813}}^1$

素因数の和:4887

約数の個数: 24

約数和(自身を含む): 31040672

約数和(自身を除く): 12544313

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 4813, 14439, 33691, 43317, 101073, 293593, 303219, 880779, 2055151, 2642337, 6165453, 18496359]

約数ペア:

[(1, 18496359), (3, 6165453), (7, 2642337), (9, 2055151), (21, 880779), (61, 303219), (63, 293593), (183, 101073), (427, 43317), (549, 33691), (1281, 14439), (3843, 4813)]